<<< Chronological >>> Author Index    Subject Index <<< Threads >>>

Re: People forging their From: addresses


>But surely the return from DNS here is not "No such domain" but "Timeout". 
>Easily distinguishable surely?

  In most of the instances I had to deal with, it was indeed "nonex
  domain" or even the SOA for the up-stream TLD or a referral to Root.
  
  The behaviour might be different depending on the accessibility of the
  SOA record for the domain. I'm really not a DNS expert...
  
  Wilfried.
 --------------------------------------------------------------------------
  Wilfried Woeber                :  e-mail: Woeber@localhost
  Computer Center - ACOnet       :  Tel: +43 1 4277 - 140 33
  Vienna University              :  Fax: +43 1 4277 - 9 140
  Universitaetsstrasse 7         :  RIPE-DB (&NIC) Handle: WW144
  A-1010 Vienna, Austria, Europe :  PGP public key ID 0xF0ACB369
 --------------------------------------------------------------------------





<<< Chronological >>> Author    Subject <<< Threads >>>